IT953960B - FLOTATION EQUIPMENT PARTICULARLY FOR THE PURIFICATION OF WATER - Google Patents

FLOTATION EQUIPMENT PARTICULARLY FOR THE PURIFICATION OF WATER

Info

Publication number
IT953960B
IT953960B IT67840/72A IT6784072A IT953960B IT 953960 B IT953960 B IT 953960B IT 67840/72 A IT67840/72 A IT 67840/72A IT 6784072 A IT6784072 A IT 6784072A IT 953960 B IT953960 B IT 953960B
Authority
IT
Italy
Prior art keywords
liquid
tank
siphonal
injectors
treated
Prior art date
Application number
IT67840/72A
Other languages
Italian (it)
Original Assignee
Degremont
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Degremont filed Critical Degremont
Application granted granted Critical
Publication of IT953960B publication Critical patent/IT953960B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1406—Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1431—Dissolved air flotation machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1462—Discharge mechanisms for the froth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1493—Flotation machines with means for establishing a specified flow pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/24—Pneumatic
    • B03D1/26—Air lift machines

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)
  • Treatment Of Sludge (AREA)

Abstract

A flotation apparatus comprises essentially a parallelepipedic tank disposed horizontally and provided along its major axis with open-top, potlike injectors for the liquid to be treated with another liquid saturated with gas under pressure. The liquid to be treated is delivered through the bottom and preferably centrally of each injector, and the treatment liquid is supplied through a lateral, eccentric but non-tangential pipe. Siphonal means are provided along the major side walls of the tank and are adapted, in conjunction with the injectors, to create outward and downward fluid flow passing under the siphonal means, other means being provided for removing the top sludge from one end of the tank.
IT67840/72A 1971-04-05 1972-03-16 FLOTATION EQUIPMENT PARTICULARLY FOR THE PURIFICATION OF WATER IT953960B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7111875A FR2132497B1 (en) 1971-04-05 1971-04-05

Publications (1)

Publication Number Publication Date
IT953960B true IT953960B (en) 1973-08-10

Family

ID=9074728

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67840/72A IT953960B (en) 1971-04-05 1972-03-16 FLOTATION EQUIPMENT PARTICULARLY FOR THE PURIFICATION OF WATER

Country Status (10)

Country Link
US (1) US3799350A (en)
AU (1) AU474763B2 (en)
BE (1) BE781415A (en)
CA (1) CA979544A (en)
CH (1) CH551220A (en)
DE (2) DE2212586A1 (en)
ES (1) ES401487A1 (en)
FR (1) FR2132497B1 (en)
GB (1) GB1367300A (en)
IT (1) IT953960B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207185A (en) * 1977-04-18 1980-06-10 Chevron Research Company Method for purifying liquids
NL7807081A (en) * 1978-06-30 1980-01-03 Pielkenrood Vinitex Bv METHOD AND APPARATUS FOR DRIVING PARTICLES SUSPENDED IN A LIQUID BY GAS BUBBLES.
EP0441230B1 (en) * 1990-02-09 1994-07-13 Masakatsu Ozawa Apparatus for separation by pressurization and flotation
WO1999058248A1 (en) * 1998-05-08 1999-11-18 Anglo American Research Laboratories (Pty) Ltd. Froth flotation
AT410405B (en) * 2001-09-17 2003-04-25 Andritz Ag Maschf METHOD AND DEVICE FOR SEPARATING INTERFERENTS FROM SUSPENSIONS BY FLOTATION
CN104888971B (en) * 2015-06-09 2017-08-08 安徽理工大学 Microvesicle static module flotation unit
CN111643928B (en) * 2020-06-12 2021-05-25 中国地质大学（武汉） Automatic solid phase extraction device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3306449A (en) * 1967-02-28 High speed precipitating apparatus
US1383321A (en) * 1919-03-24 1921-07-05 Frank E Marcy Flotation apparatus
US3175687A (en) * 1962-09-24 1965-03-30 Komline Sanderson Eng Corp Flotation unit
US3446488A (en) * 1966-08-08 1969-05-27 Combustion Eng Gas bubble generating and distributing system
US3645892A (en) * 1969-06-13 1972-02-29 Bowles Fluidics Corp Aeration and foam separation employing vortex element
US3679056A (en) * 1970-08-13 1972-07-25 Envirotech Corp Flotation apparatus

Also Published As

Publication number Publication date
DE7209920U (en) 1972-07-13
CA979544A (en) 1975-12-09
AU4075372A (en) 1973-10-11
BE781415A (en) 1972-07-17
DE2212586A1 (en) 1972-10-19
US3799350A (en) 1974-03-26
ES401487A1 (en) 1975-02-16
FR2132497A1 (en) 1972-11-24
FR2132497B1 (en) 1974-04-05
AU474763B2 (en) 1976-08-05
GB1367300A (en) 1974-09-18
CH551220A (en) 1974-07-15

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